30206932 has 36 divisors (see below), whose sum is σ = 61852980. Its totient is φ = 12870144.

The previous prime is 30206923. The next prime is 30206933. The reversal of 30206932 is 23960203.

It can be written as a sum of positive squares in 2 ways, for example, as 20196036 + 10010896 = 4494^2 + 3164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30206897 and 30206906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30206933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44548 + ... + 45220.

Almost surely, 2^30206932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30206932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30926490).

30206932 is an abundant number, since it is smaller than the sum of its proper divisors (31646048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30206932 is a wasteful number, since it uses less digits than its factorization.

30206932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 30206932 is about 5496.0833327016. The cubic root of 30206932 is about 311.4360429228.

The spelling of 30206932 in words is "thirty million, two hundred six thousand, nine hundred thirty-two".